Clock-winding mechanism



J. F. HENNESSEY CLOCK WINDING MECHANISM Filed Oct. 28, 1924 Patented May 5, 1925 UNITED STATES P AT'ENT OFFICE.

JOHN F. HENNESSEY, OF- ELUSHING, NEW YORK, ASSIGNOR TO PHINNEY-WALKEE COMPANY, OF NEW YORK, N. Y., A CORPORATION.

CLOCK-WINDING MECHANISM.

Application filed October 28, 1924. Serial No. 746,323.

, a citizen of the United States, residing at Flushing, in the coruity of Queens and State of New York, have invented certain new and useful Improvements in Clock-finding Mechanism, of which the following is a specification.

This invention relates to keyless clocks adapted to be wound by turning the casing thereof and to be used on the instrument boards of automobiles and the like.

Clocks of this character have heretofore been proposed wherein winding is accomplished by imparting a rotary motion to the casing thereof. Gear mechanisms operatively connecting the main spring and moving members have also been employed. In such constructions, however, it has been necessary to provide a double casing and to rotate the inner casing or the movement to effect winding of the main spring.

It is the purpose of my invention to simplify the old complex construction, to make operation easier, and to avoid jarring of the movement which occurs when it is rotated in the old arrangement. I accomplish this by rigid attachment of the movement to a supporting plate and the provision of a single casing rotatably secured to the plate and adapted to be engaged by a lever operatively connected to the main spring, whereby oscillation or rotary reciprocation of the casing winds the clock.

The invention will be more fully understood by reference to the following description and the accompanying drawings, in which Fig. 1 is a side elevation. Fig. 2 is a section on the line 2-2 of Fig. 1. Fig. 3 is a section on the line 33 of Fig. 2. Fig. 4 is a detail showing the lever.

Referring specifically to the drawings, 1 indicates a casing in which the movement is enclosed. The movement is rigidly attached to a supporting plate 2. One end of the casing is rotatably mounted on the supporting plate 2 by means of an inturned flange 3 on the rear end of the casing and a spring cross bar 4 which is fixed to the plate by a screw 45 and engages at its end over the flange 3. The front end of the casing is provided with the usual bezel 5 in which is mounted the glass 6. The spring barrel 7 contains the usual main spring one end of which is attached to the winding arbor 8. This arbor 8 carries a ratchet wheel 9 which is engaged by the conventional back-slippreventing detent 1O mounted on the movement plate.

A lever 11 is pivotally mounted on a circular hub 9 projecting from the ratchet wheel 9 and this lever extends outwardly thru a slot 12 in the casing 1. A spring pawl 13 is carried by the lever 11 to engage the ratchet wheel 9. Oscillation of lever 11 is limited by the movement pillars 14:.

From the foregoing, it will be obvious that when the casing 1 is turned, as by grasping the bezel, its movement is transmitted to lever 11, and pawl 13, engaging ratchet wheel 9, will cause arbor 8 to turn and wind the main spring. Pillar 14 will in time arrest the movement of lever 11. The casing is then turned in the opposite direction and pawl 13 will slip over the teeth of ratchet wheel 9. This operation is repeated until the main spring is fully wound.

As hereinbefore pointed out, the movement remains in place during the winding operation, being attached rigidly to the supporting plate, while the single casing is oscillated.

The invention is not limited to the specific structure described, but various modifications thereof are possible within the scope of the following claims.

I claim:

1. In a clock, the combination of a supporting plate, a cylindrical casing rotatably mounted at its rear end on said plate, a movement enclosed within the casing and rigidly attached to said plate, a lever projecting between the plate and the movement and operatively connected to the side wall of said casing, and means actuated by the oscillation of the lever to wind the main spring of said movement.

2. In a clock, the combination of a movement fixed to a stationary supporting plate, a cylindrical rotary casing mounted at its projecting between the plate and the movethe casing and adaptedto be oscillated by ro rear end on said plate and enclosing said the side wall of said casing having a slot into 10 movement, and-a lever operatively connected which the lever extends. to the main spring of sand movement and In testimony whereof, I affix my s1gnature 1n presence of two witnesses.

mentto engagement with the. sidewall of JOHN F HENNESSEY I tary reciprocation of said casing, to wind the v main spring. 3. The combination set forth in claim 2, v

Witnesses:

' F. HERBERMANN,

K. D. BURDEN. 

